Network card does not connect at speeds above 10 Mbps

Question

Network administration

There are two computers standing side by side.
The connection between them (LAN connection) is established only at a speed of 10 Mbps. I looked in the settings of the network card. If you set the Speed: “Auto” or “1 Gbps” or “100 Mbps”, then in the “Network Connections” window in the properties of the adapter the inscription “Identification” hangs for a long time, then it writes “Unidentified network”, while the computer does not receive an IP address (more precisely, the auto-configuration address is set), while the local network does not work. If you turn off the adapter and turn it on again, the same thing repeats, but after a certain number of attempts, a connection is established at a speed of 10 Mbps. This gives the correct IP address and the connection works as it should. If you set “10 Mbps” in the settings of the network card, the connection is established the first time, but the speed, of course, is not satisfactory.
All the manipulations that I described above refer to the first computer (let's call it the client).
The second computer (home server) works constantly (however, reboots do not solve the problem). In the settings of the network card, the speed is set to "Auto". Worth Kerio Winroute Firewall. DHCP is configured, interfaces too.
Both computers have gigabit network cards.
Actually the question is: what could be the problem and how to organize stable access at a speed of 1 Gbps?

Answer 1

Have you tried replacing the cable?
Because the speed is built on the connectivity. If the signal is not the one that is possible for a high speed, an attempt is made to connect at a slower speed.
Another tip is to get a gigabit switch for a while and check which card is acting up.
But I think the matter will be solved by replacing the cable. Are all 8 crimped or just 4?

Answer 2

1. Check how the cable is crimped. There are different crossovers for weaving and gigabit (2 pairs or 4) (you can’t raise it on a cross for gigabit, max. 100Mbps)
2. Check the settings of network cards - try turning off Auto MDI / MDI-X (if enabled
) Auto negotiation cards - gigabit does not rise to Auto (according to the standard)
In general, really - try to turn it on through the switch and see what the logs say.

Answer 3

If you turn off auto-negotiation, then it would be better to set it manually on both cards.
Try updating the driver\run under another OS (Linux etc.)\other network card.

Answer 4

Have you tried replacing the cable?

Answer 5

CAT 6 cable?

Answer 6

Buy a new cable.

Answer 7

It's strange that no one has said yet, but what kind of card model? Are they the same in computers or not? try not between sosby, but as advised with a switch or a laptop. The most banal marriage of the device is not excluded.

Answer 8

Manually install FULLDUPLEX on maps

Answer 9

There was such a situation after a thunderstorm. Could the hardware be faulty?